gram-negative bacteria membrane in the black background

membrane thick lipid magnification protein bacterium peptide biology microbiology acid science row three dimensional micro organism biochemistry bilayer biological cell microscopic animal gram stain closeup stained cut purple scientific experiment structure process front view built lipoteichoic wall teichoic transmembrane mechanism germ background bacteria porin microbe array outer polypeptides peptidoglycan bacterial bacteriology negative lipopolysaccharide thin anatomy glycoprotein isolated lipoprotein molecular microorganism phospholipid structural cellular plasma polysaccharides microbes health care rendering microbial infection attach proteins